release: Update changelog to include latest commits (#362)

Author: karencfv

docs/release_notes/v1.0.0.adoc

@@ -107,6 +107,9 @@ func Test_showCmd(t *testing.T) {
 // The following section is autogenerated via git
 
 [%hardbreaks]
+https://github.com/elastic/ecctl/commit/34cc776[34cc776] cmd: Fix deployment note commands (https://github.com/elastic/ecctl/pull/360[#360])
+https://github.com/elastic/ecctl/commit/17d6a8a[17d6a8a] cmd: Add region parameter to allocator metadata (https://github.com/elastic/ecctl/pull/361[#361])
+https://github.com/elastic/ecctl/commit/c575b64[c575b64] release: v1.0.0 release notes and changelog (https://github.com/elastic/ecctl/pull/350[#350])
 https://github.com/elastic/ecctl/commit/ae1ff8f[ae1ff8f] release: Update cloud-sdk-go@v1.0.0 module (https://github.com/elastic/ecctl/pull/358[#358])
 https://github.com/elastic/ecctl/commit/2158d38[2158d38] deployment: Support memory in GB for create command (https://github.com/elastic/ecctl/pull/357[#357])
 https://github.com/elastic/ecctl/commit/6290cc0[6290cc0] deployment: Add --generate-update-payload to show (https://github.com/elastic/ecctl/pull/355[#355])