fix: use mixed mode for flyway (#3989)

Signed-off-by: Uroš Marolt <uros@marolt.me>

Author: themarolt

backend/src/database/flyway_migrate.sh

@@ -10,6 +10,7 @@ flyway \
     -password="$PGPASSWORD" \
     -connectRetries=60 \
     -outOfOrder=true \
+    -mixed=true \
     -placeholderReplacement=false \
     -schemas=public \
     -X \

backend/src/product/flyway_migrate.sh

@@ -10,6 +10,7 @@ flyway \
     -password="$PGPASSWORD" \
     -connectRetries=60 \
     -outOfOrder=true \
+    -mixed=true \
     -placeholderReplacement=false \
     -schemas=public \
     -X \