Fix version check workflow again (#302)

Author: nck-mlcnv

.github/scripts/check_schema_version.sh

@@ -3,8 +3,10 @@
 PROJECT_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
 ONTOLOGY_VERSION=$(mvn help:evaluate -Dexpression=ontology.version -q -DforceStdout)
 
+git fetch --all > /dev/null 2>&1
+
 # Check for changes and compare versions
-if git diff --quiet "main:$(git ls-tree -r --name-only main | grep 'iguana.owx')" 'src/main/resources/iguana.owx'; then
+if git diff --quiet "origin/main:$(git ls-tree -r --name-only origin/main | grep 'iguana.owx')" 'src/main/resources/iguana.owx'; then
     DIFF_STATUS=0
 else
     DIFF_STATUS=1

.github/scripts/tagcheck.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+git fetch --all > /dev/null 2>&1
+
 if git rev-parse "$1" >/dev/null 2>&1; then
   echo "Tag $1 exist - update version in pom!"
   exit 1