Update actions/setup-python action to v7

Update actions/setup-python from v6.3.0 to v7.0.0

Change-type: patch

Author: balena-renovate[bot]

.github/workflows/meta-balena-esr.yml

@@ -159,7 +159,7 @@ jobs:
           exit 0
 
       - name: Setup Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/update-backports.yml

@@ -56,7 +56,7 @@ jobs:
           exit 1
 
       - name: Setup Python
-        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
         with:
           python-version: ${{ matrix.python-version }}