ci: upgrade pytest version used in tests (#13456)

Fixes test failures in the `flask` suite by upgrading away from an
unsupported pytest version

## Checklist
- [x] PR author has checked that all the criteria below are met
- The PR description includes an overview of the change
- The PR description articulates the motivation for the change
- The change includes tests OR the PR description describes a testing
strategy
- The PR description notes risks associated with the change, if any
- Newly-added code is easy to change
- The change follows the [library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/releasenotes.html)
- The change includes or references documentation updates if necessary
- Backport labels are set (if
[applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))

## Reviewer Checklist
- [x] Reviewer has checked that all the criteria below are met 
- Title is accurate
- All changes are related to the pull request's stated goal
- Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes
- Testing strategy adequately addresses listed risks
- Newly-added code is easy to change
- Release note makes sense to a user of the library
- If necessary, author has acknowledged and discussed the performance
implications of this PR as reported in the benchmarks PR comment
- Backport labels are set in a manner that is consistent with the
[release branch maintenance
policy](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting)

Author: emmettbutler

.riot/requirements/142556c.txt renamed to .riot/requirements/1f5205e.txt

@@ -2,36 +2,36 @@
 # This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --no-annotate .riot/requirements/142556c.in
+#    pip-compile --no-annotate .riot/requirements/1f5205e.in
 #
-atomicwrites==1.4.1
-attrs==24.2.0
+attrs==25.3.0
 blinker==1.9.0
-click==8.1.7
-coverage[toml]==7.6.7
-exceptiongroup==1.2.2
+click==8.1.8
+coverage[toml]==7.8.0
+exceptiongroup==1.3.0
 flask==0.12.5
 flask-cache==0.13.1
 hypothesis==6.45.0
-importlib-metadata==8.5.0
+importlib-metadata==8.7.0
+iniconfig==2.1.0
 itsdangerous==1.1.0
 jinja2==2.10.3
 markupsafe==1.1.1
-mock==5.1.0
+mock==5.2.0
 more-itertools==8.10.0
 opentracing==2.4.0
-packaging==24.2
-pluggy==0.13.1
+packaging==25.0
+pluggy==1.6.0
 py==1.11.0
-pytest==4.6.11
+pytest==6.2.5
 pytest-cov==3.0.0
 pytest-mock==2.0.0
 pytest-randomly==3.16.0
 python-memcached==1.62
 redis==2.10.6
-six==1.16.0
 sortedcontainers==2.4.0
-tomli==2.1.0
-wcwidth==0.2.13
+toml==0.10.2
+tomli==2.2.1
+typing-extensions==4.13.2
 werkzeug==0.16.1
 zipp==3.21.0

.riot/requirements/af02264.txt renamed to .riot/requirements/f903257.txt

@@ -2,36 +2,36 @@
 # This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
-#    pip-compile --no-annotate .riot/requirements/af02264.in
+#    pip-compile --no-annotate .riot/requirements/f903257.in
 #
-atomicwrites==1.4.1
-attrs==24.2.0
+attrs==25.3.0
 blinker==1.8.2
-click==8.1.7
+click==8.1.8
 coverage[toml]==7.6.1
-exceptiongroup==1.2.2
+exceptiongroup==1.3.0
 flask==0.12.5
 flask-cache==0.13.1
 hypothesis==6.45.0
 importlib-metadata==8.5.0
+iniconfig==2.1.0
 itsdangerous==1.1.0
 jinja2==2.10.3
 markupsafe==1.1.1
-mock==5.1.0
+mock==5.2.0
 more-itertools==8.10.0
 opentracing==2.4.0
-packaging==24.2
-pluggy==0.13.1
+packaging==25.0
+pluggy==1.5.0
 py==1.11.0
-pytest==4.6.11
+pytest==6.2.5
 pytest-cov==3.0.0
 pytest-mock==2.0.0
 pytest-randomly==3.15.0
 python-memcached==1.62
 redis==2.10.6
-six==1.16.0
 sortedcontainers==2.4.0
-tomli==2.1.0
-wcwidth==0.2.13
+toml==0.10.2
+tomli==2.2.1
+typing-extensions==4.13.2
 werkzeug==0.16.1
 zipp==3.20.2

lib-injection/sources/min_compatible_versions.csv

@@ -141,7 +141,7 @@ pynamodb,~=5.0
 pyodbc,~=4.0.31
 pyramid,~=1.10
 pysqlite3-binary,0
-pytest,~=4.0
+pytest,>=6.0
 pytest-aiohttp,0
 pytest-bdd,>=4.0
 pytest-benchmark,>=3.1.0

min_compatible_versions.csv

@@ -141,7 +141,7 @@ pynamodb,~=5.0
 pyodbc,~=4.0.31
 pyramid,~=1.10
 pysqlite3-binary,0
-pytest,~=4.0
+pytest,>=6.0
 pytest-aiohttp,0
 pytest-bdd,>=4.0
 pytest-benchmark,>=3.1.0

riotfile.py

@@ -955,7 +955,7 @@ def select_pys(min_version: str = MIN_PYTHON_VERSION, max_version: str = MAX_PYT
                         "Werkzeug": ["<1.0"],
                         "Flask-Cache": "~=0.13.1",
                         "werkzeug": "<1.0",
-                        "pytest": "~=4.0",
+                        "pytest": "~=6.0",
                         "pytest-mock": "==2.0.0",
                         "pytest-cov": "~=3.0",
                         "Jinja2": "~=2.10.0",