dev-db/redis: needs <dev-tcltk/tls-2

```
 * ./runtest --clients 32 --skiptest '/Active defrag for argv retained by the main thread from IO thread.*' --skiptest 'Check MEMORY USAGE for embedded key strings with jemalloc' --skipunit unit/oom-score-adj -
-skiptest 'CONFIG SET rollback on apply error' --tls
can't find package tls 1.6
    while executing
"package require tls 1.6"
    ("for" body line 42)
    invoked from within
"for {set j 0} {$j < [llength $argv]} {incr j} {
    set opt [lindex $argv $j]
    set arg [lindex $argv [expr $j+1]]
    if {$opt eq {--tags}} {
     ..."
    (file "tests/test_helper.tcl" line 597)
```

Signed-off-by: Sam James <sam@gentoo.org>

dev-db/redis/redis-8.2.2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -44,7 +44,7 @@ BDEPEND="
 	virtual/pkgconfig
 	test? (
 		dev-lang/tcl:0=
-		ssl? ( dev-tcltk/tls )
+		ssl? ( <dev-tcltk/tls-2 )
 	)
 "
 

dev-db/redis/redis-8.2.3.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -44,7 +44,7 @@ BDEPEND="
 	virtual/pkgconfig
 	test? (
 		dev-lang/tcl:0=
-		ssl? ( dev-tcltk/tls )
+		ssl? ( <dev-tcltk/tls-2 )
 	)
 "
 

dev-db/redis/redis-8.2.5.ebuild

@@ -44,7 +44,7 @@ BDEPEND="
 	virtual/pkgconfig
 	test? (
 		dev-lang/tcl:0=
-		ssl? ( dev-tcltk/tls )
+		ssl? ( <dev-tcltk/tls-2 )
 	)
 "
 

dev-db/redis/redis-8.4.2.ebuild

@@ -44,7 +44,7 @@ BDEPEND="
 	virtual/pkgconfig
 	test? (
 		dev-lang/tcl:0=
-		ssl? ( dev-tcltk/tls )
+		ssl? ( <dev-tcltk/tls-2 )
 	)
 "
 

dev-db/redis/redis-8.6.1.ebuild

@@ -44,7 +44,7 @@ BDEPEND="
 	virtual/pkgconfig
 	test? (
 		dev-lang/tcl:0=
-		ssl? ( dev-tcltk/tls )
+		ssl? ( <dev-tcltk/tls-2 )
 	)
 "