invoke update_version.sh while updating date because why not

.github/workflows/set-date.yaml

@@ -21,6 +21,13 @@ jobs:
       with:
         fetch-depth: 0
 
+    - name: Install Tools
+      run: sudo apt-get install subversion
+
+    - name: Update version header in git
+      working-directory: ./firmware/
+      run: bash update_version.sh
+
     - name: Write Date File
       run: |
         echo -e -n "#pragma once\n#define VCS_DATE $(date "+%Y%m%d")\n" > ./firmware/controllers/date_stamp.h

firmware/update_version.sh

@@ -2,6 +2,11 @@
 # Let's regenerate 'svnversion.h'
 # TODO: handle std err - for example, in case svn needs upgrade
 
+#
+# 2022: is it time to rename svn_version.h into something else?
+# we should probably remove VCS_VERSION and keep only GIT_HASH
+#
+
 GIT_HASH=$(git rev-parse HEAD)
 echo "Git hash=$GIT_HASH"
 java -jar ../java_tools/version2header.jar 10000 https://github.com/rusefi/rusefi $GIT_HASH