[wp] upgrade float oracles for qualif tests

src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.3.res.oracle

-# frama-c -wp -wp-model 'Typed (Real)' -wp-timeout 45 -wp-steps 1500 [...]
+# frama-c -wp -wp-model 'Typed (Real)' [...]
 [kernel] Parsing tests/wp_acsl/classify_float.c (with preprocessing)
 [wp] Running WP plugin...
 [wp] Loading driver 'share/wp.driver'

src/plugins/wp/tests/wp_acsl/oracle_qualif/float_compare.1.res.oracle

-# frama-c -wp -wp-model 'Typed (Real)' -wp-timeout 45 -wp-steps 1500 [...]
+# frama-c -wp -wp-model 'Typed (Real)' [...]
 [kernel] Parsing tests/wp_acsl/float_compare.i (no preprocessing)
 [wp] Running WP plugin...
 [wp] Loading driver 'share/wp.driver'

src/plugins/wp/tests/wp_acsl/oracle_qualif/float_compare.1.session/cache/0229e4d03dbe5dab56c7710d10ede856.json

+{ "prover": "why3:Alt-Ergo,2.0.0", "verdict": "valid", "time": 0.0057,
+  "steps": 4 }

src/plugins/wp/tests/wp_acsl/oracle_qualif/float_compare.1.session/cache/5a2626cdfff12f90f4c43a8b11ff70fb.json

+{ "prover": "why3:Alt-Ergo,2.0.0", "verdict": "valid", "time": 0.0047,
+  "steps": 4 }

src/plugins/wp/tests/wp_acsl/oracle_qualif/float_compare.1.session/cache/d189bb3b47019848c9af5b14c2febb1c.json

+{ "prover": "why3:Alt-Ergo,2.0.0", "verdict": "valid", "time": 0.0056,
+  "steps": 4 }

src/plugins/wp/tests/wp_acsl/oracle_qualif/float_compare.1.session/cache/e2c00d7a3ff17960fa10dee8b619ee99.json

+{ "prover": "why3:Alt-Ergo,2.0.0", "verdict": "valid", "time": 0.005,
+  "steps": 4 }