feat: upgrade jmespath_extensions to 0.6 with full feature set

[joshrotenberg]

Summary

Upgrades jmespath_extensions from 0.3.5 to 0.6.2, enabling all 297 extension functions (up from ~100).

New Function Categories

Category	Functions	Use Cases
DURATION	format_duration, parse_duration	Display uptimes, format intervals
NETWORK	cidr_contains, is_private_ip	Validate cluster networking
COMPUTING	format_bytes, parse_bytes	Memory/storage display
DATETIME	relative_time, time_ago, timezone_convert	Human-readable timestamps
SEMVER	semver_compare, semver_satisfies	Version checking
REGEX	regex_match, regex_replace	Pattern matching
HASH	sha256, md5	Checksums
FUZZY	levenshtein, soundex	Fuzzy name matching
JSONPATCH	json_diff, json_patch	Config comparison

Example Use Cases

# Format memory sizes
redisctl enterprise database list -q '[*].{name: name, memory: format_bytes(memory_size)}'

# Human-readable timestamps  
redisctl cloud task list -q '[*].{id: id, created: time_ago(created_time)}'

# Check CIDR ranges
redisctl enterprise node list -q '[?cidr_contains(`"10.0.0.0/8"`, addr)]'

# Compare versions
redisctl enterprise cluster get -q '{version: version, needs_upgrade: semver_compare(version, `"7.4.0"`) < `0`}'

Testing

• All existing tests pass
• No breaking changes to API