ci: general pip cleanup

Cleanup all pip commands in the various workflow
- drop the install/upgrade for setuptool pip and wheel, seems like this
  was introduced few years back to work around some old bug and it's not
  needed anymore
- use pip instead of pip3, that's probably been equivalent for quite a
  long time in the CI image

Signed-off-by: Fabio Baltieri <[email protected]>

Author: fabiobaltieri

.github/workflows/assigner.yml

@@ -24,8 +24,7 @@ jobs:
     steps:
     - name: Install Python dependencies
       run: |
-        sudo pip3 install -U setuptools wheel pip
-        pip3 install -U PyGithub>=1.55 west
+        pip install -U PyGithub>=1.55 west
 
     - name: Check out source code
       uses: actions/checkout@v4

.github/workflows/backport_issue_check.yml

@@ -25,8 +25,7 @@ jobs:
 
       - name: Install Python dependencies
         run: |
-          sudo pip3 install -U setuptools wheel pip
-          pip3 install -U pygithub
+          pip install -U pygithub
 
       - name: Run backport issue checker
         env:

.github/workflows/bsim-tests.yaml

@@ -170,7 +170,7 @@ jobs:
 
       - name: Merge Test Results
         run: |
-          pip3 install junitparser junit2html
+          pip install junitparser junit2html
           junitparser merge --glob "./bsim_*/*bsim_results.*.xml" "./twister-out/twister.xml" junit.xml
           junit2html junit.xml junit.html
 

.github/workflows/bug_snapshot.yaml

@@ -25,8 +25,7 @@ jobs:
 
     - name: Install Python dependencies
       run: |
-        sudo pip3 install -U setuptools wheel pip
-        pip3 install -U pygithub
+        pip install -U pygithub
 
     - name: Snapshot bugs
       env:

.github/workflows/clang.yaml

@@ -144,7 +144,7 @@ jobs:
           path: artifacts
       - name: Merge Test Results
         run: |
-          pip3 install junitparser junit2html
+          pip install junitparser junit2html
           junitparser merge artifacts/*/twister.xml junit.xml
           junit2html junit.xml junit-clang.html
 

.github/workflows/codecov.yaml

@@ -101,7 +101,7 @@ jobs:
           export ZEPHYR_BASE=${PWD}
           export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
           mkdir -p coverage/reports
-          pip3 install gcovr==6.0
+          pip install gcovr==6.0
           ./scripts/twister -E ${{matrix.normalized}}-testplan.json
           ls -la
           ./scripts/twister \
@@ -182,7 +182,7 @@ jobs:
       - name: Merge coverage files
         run: |
           pushd ./coverage/reports
-          pip3 install gcovr==6.0
+          pip install gcovr==6.0
           gcovr ${{ steps.get-coverage-files.outputs.mergefiles }}  --merge-mode-functions=separate --json merged.json
           gcovr ${{ steps.get-coverage-files.outputs.mergefiles }} --merge-mode-functions=separate --cobertura merged.xml
           popd

.github/workflows/coding_guidelines.yml

@@ -21,9 +21,8 @@ jobs:
 
     - name: Install python dependencies
       run: |
-        pip3 install unidiff
-        pip3 install wheel
-        pip3 install sh
+        pip install unidiff
+        pip install sh
 
     - name: Install Packages
       run: |

.github/workflows/compliance.yml

@@ -53,10 +53,8 @@ jobs:
 
     - name: Install python dependencies
       run: |
-        pip3 install setuptools
-        pip3 install wheel
-        pip3 install -r scripts/requirements-compliance.txt
-        pip3 install west
+        pip install -r scripts/requirements-compliance.txt
+        pip install west
 
     - name: west setup
       run: |

.github/workflows/daily_test_version.yml

@@ -25,7 +25,7 @@ jobs:
 
     - name: install-pip
       run: |
-        pip3 install gitpython
+        pip install gitpython
 
     - name: checkout
       uses: actions/checkout@v4

.github/workflows/devicetree_checks.yml

@@ -62,8 +62,7 @@ jobs:
           ${{ runner.os }}-pip-${{ matrix.python-version }}
     - name: install python dependencies
       run: |
-        pip3 install wheel
-        pip3 install pytest pyyaml tox
+        pip install pytest pyyaml tox
     - name: run tox
       working-directory: scripts/dts/python-devicetree
       run: |