Run preinstall.sh and postinstall when upgrading via apk (#1244)

* testing agent upgrade manually

* add preupgrade and postupgrade steps for alpine

* revert changes made for testing

* revert changes

* add changes to .nfpm.yaml

Author: sean-breen

.nfpm.yaml

@@ -51,7 +51,8 @@ apk:
   signature:
     key_file: ".key.rsa"
   scripts:
-    postupgrade: "./scripts/packages/postupgrade.sh"
+    preupgrade: "./scripts/packages/preinstall.sh"
+    postupgrade: "./scripts/packages/postinstall.sh"
 scripts:
   preinstall: "./scripts/packages/preinstall.sh"
   postinstall: "./scripts/packages/postinstall.sh"

scripts/packages/.local-nfpm.yaml

@@ -47,4 +47,5 @@ scripts:
     postremove: "./scripts/packages/postremove.sh"
 apk:
     scripts:
-        postupgrade: "./scripts/packages/postupgrade.sh"
+        preupgrade: "./scripts/packages/preinstall.sh"
+        postupgrade: "./scripts/packages/postinstall.sh"