Bump picocli.version from 4.7.5 to 4.7.6 #40831

Job	Run time
CI Sanity Check	32s
Attach pull request number	5s
Initial JDK 17 Build	16m 57s
Calculate Test Jobs	9s
Devtools Tests - JDK 17	11m 35s
JVM Tests - JDK 17	4h 20m 21s
Devtools Tests - JDK 21	11m 58s
JVM Tests - JDK 21	4h 16m 42s
Gradle Tests - JDK 17	25m 3s
Devtools Tests - JDK 17 Windows	17m 59s
Kubernetes Tests - JDK 17	13m 1s
JVM Tests - JDK 17 Windows	4h 12m 52s
Gradle Tests - JDK 17 Windows	42m 7s
Kubernetes Tests - JDK 21	12m 47s
Kubernetes Tests - JDK 17 Windows	17m 51s
Maven Tests - JDK 17	57m 0s
Quickstarts Compilation - JDK 17	7m 22s
Maven Tests - JDK 17 Windows	1h 15m 37s
Native Tests - Virtual Thread - Main	22m 46s
Native Tests - Virtual Thread - Messaging	9m 57s
MicroProfile TCKs Tests	53m 25s
Native Tests - Virtual Thread - Security	3m 27s
Native Tests - Main	8m 45s
Native Tests - Data1	30m 7s
Native Tests - Data2	29m 2s
Native Tests - Data3	23m 39s
Native Tests - Data4	18m 26s
Native Tests - Data5	20m 52s
Native Tests - Data6	30m 13s
Native Tests - Data7	37m 22s
Native Tests - Amazon	16m 3s
Native Tests - Messaging1	30m 57s
Native Tests - Messaging2	13m 18s
Native Tests - Security1	22m 32s
Native Tests - Security2	28m 54s
Native Tests - Security3	15m 18s
Native Tests - Cache	17m 31s
Native Tests - HTTP	43m 14s
Native Tests - Misc1	26m 10s
Native Tests - Misc2	16m 21s
Native Tests - Misc3	29m 55s
Native Tests - Misc4	49m 59s
Native Tests - Spring	18m 48s
Native Tests - gRPC	24m 9s
Native Tests - Windows support	9m 28s
Native Tests - DevTools Integration Tests	4m 46s
Native Tests - AWT, ImageIO and Java2D	8m 13s
Build report	51s
	1d 5h 4m 26s

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