Bump to v7.0.0-rc4+dev80

Part of IC:Caelum+dev4, nasa/cFS#432

**Includes**

PR #2056
- Missing SB include for v2 msgid

PR #2052
- Resolve doxygen doc warnings and enforce in CI

PR #2050
- Remove explicit filename doxygen comments

PR #2048
- Add CFE_ES_CreateChildTask default handler

README.md

@@ -10,6 +10,14 @@ The detailed cFE user's guide can be viewed at <https://github.com/nasa/cFS/blob
 
 ## Changelog
 
+### Development Build: v7.0.0-rc4+dev80
+
+- Missing SB include for v2 msgid
+- Resolve doxygen doc warnings and enforce in CI
+- Remove explicit filename doxygen comments
+- Add CFE_ES_CreateChildTask default handler
+- See <https://github.com/nasa/cFE/pull/2061> and <https://github.com/nasa/cFS/pull/432>
+
 ### Development Build: v7.0.0-rc4+dev70
 
 - Improve CFE_SB_IsValidMsgId handler

modules/core_api/fsw/inc/cfe_version.h

@@ -28,7 +28,7 @@
 #define CFE_VERSION_H
 
 /* Development Build Macro Definitions */
-#define CFE_BUILD_NUMBER   70           /**< @brief Development: Number of development commits since baseline */
+#define CFE_BUILD_NUMBER   80           /**< @brief Development: Number of development commits since baseline */
 #define CFE_BUILD_BASELINE "v7.0.0-rc4" /**< @brief Development: Reference git tag for build number */
 
 /* Version Macro Definitions updated for official releases only */