Update changelog and tag release manifest #881

Job	Run time
check-manifests	2m 34s
Generate Test Matrix (SDK)	1m 3s
Generate Check Matrix (examples)	56s
Check Examples (-b 1 -s 0 -e 5, 1.70.0)	10m 52s
Compile & Test SDK (-b 12 -s 0 -e 34, 1.70.0)	30m 50s
Compile & Test SDK (-b 12 -s 34 -e 68, 1.70.0)	25m 34s
Compile & Test SDK (-b 12 -s 68 -e 102, 1.70.0)	23m 28s
Compile & Test SDK (-b 12 -s 102 -e 136, 1.70.0)	24m 56s
Compile & Test SDK (-b 12 -s 136 -e 170, 1.70.0)	25m 47s
Compile & Test SDK (-b 12 -s 170 -e 204, 1.70.0)	24m 39s
Compile & Test SDK (-b 12 -s 204 -e 238, 1.70.0)	26m 0s
Compile & Test SDK (-b 12 -s 238 -e 272, 1.70.0)	24m 57s
Compile & Test SDK (-b 12 -s 272 -e 306, 1.70.0)	25m 58s
Compile & Test SDK (-b 12 -s 306 -e 340, 1.70.0)	23m 54s
Compile & Test SDK (-b 12 -s 340 -e 374, 1.70.0)	23m 39s
Compile & Test SDK (-b 12 -s 374 -e 400, 1.70.0)	21m 17s
Check Matrix Success (examples)	5s
Test Matrix Success (SDK)	2s
	5h 16m 31s

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