patch 9.0.0305: CI lists useless deprecation warnings

Problem:    CI lists useless deprecation warnings.
Solution:   Ignore deprecation warnings. (closes #11003)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e20067..ebbccd7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@
       TEST: test
       SRCDIR: ./src
       LEAK_CFLAGS: -DEXITFREE
-      CFLAGS: -Wno-error=deprecated-declarations
+      CFLAGS: -Wno-deprecated-declarations
       LOG_DIR: ${{ github.workspace }}/logs
       TERM: xterm
       DISPLAY: ':99'
diff --git a/src/version.c b/src/version.c
index 3e1c7d3..e865eb5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    305,
+/**/
     304,
 /**/
     303,